- Install qrcode.react in sysadmin_panel
- Add QR Codes section above Remote Managers with two codes side by side:
Menu QR (https://yourdomain.com/menu/{site_id}) and
Order QR (https://yourdomain.com/menu/{site_id}/order)
- Each card shows the URL as copyable text and a Download PNG button
- Uses site.site_id as the slug (no slug field exists on the Site model)
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>